WO2004009233A1 - Catalyseur a base solide nanometrique magnetique et son procede de preparation - Google Patents
Catalyseur a base solide nanometrique magnetique et son procede de preparation Download PDFInfo
- Publication number
- WO2004009233A1 WO2004009233A1 PCT/CN2003/000592 CN0300592W WO2004009233A1 WO 2004009233 A1 WO2004009233 A1 WO 2004009233A1 CN 0300592 W CN0300592 W CN 0300592W WO 2004009233 A1 WO2004009233 A1 WO 2004009233A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- magnetic
- catalyst
- mixed
- salt
- solution
- Prior art date
Links
- 239000003054 catalyst Substances 0.000 title claims abstract description 39
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- 239000007787 solid Substances 0.000 title claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 239000012266 salt solution Substances 0.000 claims abstract description 23
- GDVKFRBCXAPAQJ-UHFFFAOYSA-A dialuminum;hexamagnesium;carbonate;hexadecahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Al+3].[Al+3].[O-]C([O-])=O GDVKFRBCXAPAQJ-UHFFFAOYSA-A 0.000 claims abstract description 11
- 229960001545 hydrotalcite Drugs 0.000 claims abstract description 10
- 229910001701 hydrotalcite Inorganic materials 0.000 claims abstract description 10
- 239000002131 composite material Substances 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 4
- 238000001354 calcination Methods 0.000 claims abstract 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 48
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 42
- 239000000243 solution Substances 0.000 claims description 20
- 239000003513 alkali Substances 0.000 claims description 18
- 239000002585 base Substances 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 229910021645 metal ion Inorganic materials 0.000 claims description 12
- 239000002243 precursor Substances 0.000 claims description 12
- 238000002425 crystallisation Methods 0.000 claims description 11
- 230000008025 crystallization Effects 0.000 claims description 11
- 239000000843 powder Substances 0.000 claims description 10
- 150000003839 salts Chemical class 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 238000000967 suction filtration Methods 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- 239000012670 alkaline solution Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 229910017053 inorganic salt Inorganic materials 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 150000001450 anions Chemical class 0.000 claims description 3
- 239000011259 mixed solution Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 claims description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 239000000454 talc Substances 0.000 claims 1
- 229910052623 talc Inorganic materials 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 13
- 238000010899 nucleation Methods 0.000 abstract description 6
- 230000006911 nucleation Effects 0.000 abstract description 6
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 238000003786 synthesis reaction Methods 0.000 abstract description 3
- -1 aldehyde ketone Chemical class 0.000 abstract description 2
- 238000006555 catalytic reaction Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 abstract 2
- 239000012528 membrane Substances 0.000 abstract 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 1
- 238000009833 condensation Methods 0.000 abstract 1
- 230000005494 condensation Effects 0.000 abstract 1
- 125000004185 ester group Chemical group 0.000 abstract 1
- 238000006053 organic reaction Methods 0.000 abstract 1
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 17
- 239000008367 deionised water Substances 0.000 description 9
- 229910021641 deionized water Inorganic materials 0.000 description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 8
- 239000011777 magnesium Substances 0.000 description 7
- 239000012065 filter cake Substances 0.000 description 6
- 239000011541 reaction mixture Substances 0.000 description 5
- 239000011701 zinc Substances 0.000 description 5
- 229910020068 MgAl Inorganic materials 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 4
- 230000005415 magnetization Effects 0.000 description 4
- 230000003197 catalytic effect Effects 0.000 description 3
- 238000007210 heterogeneous catalysis Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 239000002105 nanoparticle Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000011949 solid catalyst Substances 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000012213 gelatinous substance Substances 0.000 description 1
- 238000007172 homogeneous catalysis Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000011858 nanopowder Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/002—Mixed oxides other than spinels, e.g. perovskite
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/007—Mixed salts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/74—Iron group metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/20—Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state
- B01J35/23—Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state in a colloidal state
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/33—Electric or magnetic properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/03—Precipitation; Co-precipitation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
- B01J37/0027—Powdering
- B01J37/0036—Grinding
Definitions
- the invention relates to a magnetic nano solid base catalyst and a preparation method thereof.
- heterogeneous catalysis In the field of catalytic research, homogeneous catalysis has gradually transitioned to heterogeneous catalysis.
- the use of solid bases instead of liquid bases for catalysis has the following advantages: (1) high activity, high selectivity, and high product purity; (2) the catalyst is easy to separate (3) less corrosive to equipment, less waste liquid generated, and reduce environmental pollution.
- heterogeneous catalysis systems often have disadvantages such as small reaction interface and large mass transfer resistance, which make the catalytic performance significantly lower than that of homogeneous systems, or cannot be widely used for other reasons.
- Hydrotalcite (LDH) compounds have shown good application prospects in the field of heterogeneous catalysis.
- LDH Hydrotalcite
- the nano-sized composite metal oxide particles are extremely small in size, have a large specific surface area, can be in full contact with the substrate, achieve efficient catalytic activity, and have good thermal stability.
- the disadvantage is that the dispersion in the liquid-solid catalyst system is poor, and it is difficult to separate and recover.
- the catalyst particles are small, resulting in large bed resistance, which brings difficulties to its industrial application.
- EP0421677A1, EP0421678A1 describe alkaline hydrotalcite and calcined hydrotalcite as solid base catalysts for the synthesis of alcohol ethers.
- the general formula of hydrotalcite is [M 2+ a N 3+ b (OH) ( 2a + 3b) ] [X ] b , where M is a divalent metal ion, N is a trivalent metal ion, and X is an equivalent anion, which becomes a Mg-Al-0 complex after firing.
- the invention provides a nano-scale solid alkali catalyst with magnetic properties, that is, a catalyst coated with a solid alkali active component on the outside of a magnetic core.
- the reaction can be achieved by controlling the intensity and direction of a magnetic field applied by an external magnetic field.
- the preparation method of the catalyst is to firstly perform a rapid nucleation reaction using a liquid-liquid reaction all-reverse liquid film reactor (see patent application: 00132145.5) to prepare a nano-level magnetic core, and mix the magnetic core with a corresponding salt solution.
- An all-reverse liquid film reactor is used to perform a rapid nucleation reaction to obtain a hydrotalcite containing a magnetic core.
- the hydrotalcite is converted to a corresponding solid alkali composite oxide by high-temperature roasting, and the magnetic core is coated in the composite oxide.
- the chemical formula of the magnetic nano solid base catalyst prepared by the present invention is:
- M is any one of the divalent metal ions Mg 2+ , Ni 2+ , Zn 2+ , Ca 2+ or Co 2+ , and N is the trivalent metal ion Fe 3+ , V 3+ , Al 3+ or Gr ⁇ any one of them; M is any one of Mg "Cu 2+ , Ba 2 ⁇ Ni 2+ trivalent metal ion, M and M may be the same or different;
- M, Fe 2 0 4 is a magnetic species
- MN- (O) is a composite oxide formed by baking the corresponding hydrotalcite, which is coated on M, Fe 2 0 4 .
- the preparation method of the catalyst is:
- the soluble inorganic salt of M, and the soluble inorganic salt of ferric iron are formulated into a mixed solution, wherein the molar ratio of M7Fe 3+ is 0.5 2.0, the molar concentration of M is 0.1-2.5M, and the molar concentration of Fe 3+ is 0.2- 5.0M; a mixed alkali solution was prepared with NaOH and Na 2 C0 3 , wherein the molar concentration of NaOH is 0.1-5.0M, and the molar concentration of Na 2 C0 3 is 0.1 ⁇ 4.8M;
- the above salt solution and alkaline solution are simultaneously poured into an all-reverse liquid film reactor (see patent application 00132145), the rotation speed of the rotor is controlled to be 1000 to 8000 rpm, and the residence time of the materials in the reactor is 1 to 8 minutes, which are dispersed by the liquid separator. After that, mix thoroughly in the gap between the rotor and the stator, discharge to the crystallization kettle through the discharge port, and crystallize at 80 ⁇ 120 ° C for 2 ⁇ 10h at a constant temperature. Repeat suction filtration, washing, and drying. It is dried and calcined at a high temperature of 800 ⁇ 1000 ° C to obtain M, Fe 2 0 4 powder with a particle size range of 20 ⁇ 80nm. The amount of alkali solution should be added so that the PH value of the mixed liquid is 8.5 ⁇ 11.0.
- a mixed alkali solution was prepared with NaOH and Na 2 CO ⁇ e.
- the molar concentration of NaOH is 0.1-5.0M, and the molar concentration of Na 2 C0 3 is 0.1-4.8M;
- the salt solution and the alkaline solution are simultaneously poured into an all-reverse liquid film reactor, and the rotation speed of the rotor is controlled to be 1000 to 8000 rpm, and the residence time of the material in the reactor is 1 to 8 minutes, and the liquid is passed through the gap between the rotor and the stator Mix thoroughly at the place, drain to the crystallization kettle through the discharge port, and crystallize at 80 ⁇ 120 ° C for 4 ⁇ : LOh, repeatedly suction filtration, washing, and drying to obtain hydrotalcite MN- with magnetic core M, Fe 2 0 4 LDH IM, Fe 2 0 4 .
- the amount of alkali solution should be added so that the PH value of the mixed liquid is 8.5-11.0.
- MN-LDH / M and Fe204 are calcined at 400 ⁇ 600 ° C for 2 ⁇ 5 hours, and the heating rate is 10 ° C / min, to obtain a magnetic solid base catalyst MN- (O) / M with a particle size range of 30 ⁇ 100nm.
- the trivalent salt of iron in step (1) may be: Fe 2 (S0 4 ) 3 , Fe Cl 3 ⁇ Fe (N0 3 ) 3 ; M, the salt may be: M, S0 4 , M, C1 2 , Any of M, (N0 3 ) 2 , M, preferably Zn 2+ , Mg 2+ or Ni 2+ .
- the preparation of magnetic cores and solid base catalysts uses a fully reversed liquid film reactor for rapid nucleation reaction, the reactants can be fully contacted and collided instantaneously, the nucleation reaction is completed instantaneously, and the crystal nuclei are synchronized. Growth, so the resulting magnetic core and solid base catalyst are both nano-sized particles.
- the particle size of the catalyst is 30 ⁇ 100 nm, and its magnetic properties are as follows: the coercive force He is 120 ⁇ 108A / m, and the specific saturation magnetization is 2 ⁇ 18 A / m.
- the magnetic precursor MgAl-LDH / MgFe 2 0 4 was calcined in an air atmosphere at 600 ° C. for 2 hours, and the temperature rising rate was 10 ° C./minute to obtain a magnetic solid base catalyst MgAl (0) / MgFe 2 0 4 .
- the measured grain size of the catalyst is in the range of 30-85 nm, and the maximum grain size is 62 nm.
- the coercive force He value is 120.0A / m, and the specific saturation magnetization 6 * is 2.1A / m.
- the gelatinous substance was poured into a crystallization kettle, and was crystallized at a constant temperature of 100 ° C for 6 hours, and then repeatedly filtered with suction and washed to a pH value of 7.
- the filter cake was dried in an oven for 24 hours to obtain the magnetic precursor ZnAl-LDH / NiFe. 2 0 4 .
- the magnetic precursor ZnAl-LDH / NiFe 2 0 4 was fired in an air atmosphere at 600 ° C. for 5 hours, and the temperature rising rate was 10. C / min to obtain a magnetic solid base catalyst ZnAl (0) / NiFe 2 0 4 .
- the measured grain size is in the range of 30 ⁇ 80nm, and the maximum grain size is 58nm.
- the coercive force He value is 110.5A / m, and the specific saturation magnetization 6 x is 3.5A / m.
- the mixed solution stayed in the reactor for 2 minutes, and then the obtained slurry was poured into a crystallization kettle, and was crystallized at 100 ° C for 6 hours, and then repeatedly filtered and washed to a pH value of 7, and the filter cake was placed at 70 ° C. After drying in an oven for 24 hours, it was pulverized, and then calcined in an air atmosphere at 900 ° C for 2 hours. The heating rate was 10 ° C / min, and the magnetic core NiFe 2 0 4 was obtained .
- magnesium-aluminum molar ratio of 4 1, weigh 41,03g Mg (N0 3 ) 2 -6H 2 0 and 15.01g ⁇ 1 ( ⁇ 0 3 ) 3 ⁇ 9 ⁇ 2 0 in 130ml deionized water to form a mixed salt Solution, and at a molar ratio of Mg (N0 3 ) 2 .6H 2 0 / NiFe 2 0 4 to 5.00, add the prepared NiFe 2 0 4 powder to the mixed salt solution, stir and mix uniformly; weigh 12.8 g NaOH and 8.48g Na 2 C0 3 were dissolved in BOml deionized water to prepare a mixed alkali solution; the two solutions were simultaneously poured into the opened all-reverse liquid film reactor.
- the rotor speed was controlled at 7000 rpm, and the reaction mixture was Remain in the reactor for 2min, then pour the obtained gum into the crystallization kettle, crystallize at 100 ° C for 6h, and then repeat Suction filtration, washing until the pH is equal to 7, and drying the filter cake in an oven for 24 hours to obtain the magnetic precursor MgAl-LD Li iFe 2 0 4 .
- the magnetic precursor MgAl-LDH / NiFe 2 0 4 was calcined in an air atmosphere at 550 ° C. for 2 hours, and the temperature rising rate was 10 ° C./minute to obtain a magnetic solid base catalyst MgAl (0) / NiFe 2 0 4 .
- the measured grain size is in the range of 35 ⁇ 90nm.
- the maximum grain size is 65nm.
- the coercive force He value was 130.2 A / m, and the specific saturation magnetization 6 x was 2.6 A / m.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Catalysts (AREA)
Abstract
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003255081A AU2003255081A1 (en) | 2002-07-23 | 2003-07-23 | Magnetic nanometer solid base catalyst and its preparation method |
US11/040,408 US7247598B2 (en) | 2002-07-23 | 2005-01-21 | Nano-scale magnetic solid base catalyst and its preparation method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN02125589.X | 2002-07-23 | ||
CNB02125589XA CN1180881C (zh) | 2002-07-23 | 2002-07-23 | 一种磁性纳米固体碱催化剂及其制备方法 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/040,408 Continuation-In-Part US7247598B2 (en) | 2002-07-23 | 2005-01-21 | Nano-scale magnetic solid base catalyst and its preparation method |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004009233A1 true WO2004009233A1 (fr) | 2004-01-29 |
Family
ID=30121261
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2003/000592 WO2004009233A1 (fr) | 2002-07-23 | 2003-07-23 | Catalyseur a base solide nanometrique magnetique et son procede de preparation |
Country Status (3)
Country | Link |
---|---|
CN (1) | CN1180881C (fr) |
AU (1) | AU2003255081A1 (fr) |
WO (1) | WO2004009233A1 (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8114807B2 (en) | 2010-03-05 | 2012-02-14 | Cem Corporation | Synthesis and use of intermetallic iron palladium nanoparticle compositions |
CN103223345A (zh) * | 2013-05-17 | 2013-07-31 | 北京化工大学 | 一种负载型Ni-In金属间化合物催化剂及其制备方法 |
CN105032431A (zh) * | 2014-12-12 | 2015-11-11 | 北京恩泽福莱科技有限公司 | 一种磁性固体碱催化剂及其制备方法 |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100372610C (zh) * | 2004-06-14 | 2008-03-05 | 北京化工大学 | 磁性微球形高分散负载金属催化剂及其制备方法和用途 |
CN1317357C (zh) * | 2005-01-27 | 2007-05-23 | 清华大学 | 一种固体碱催化剂及制备方法和应用 |
CN1891786B (zh) * | 2005-07-07 | 2011-02-16 | 南昌大学 | 乌桕油制备生物柴油的生产技术 |
CN100345758C (zh) * | 2005-09-19 | 2007-10-31 | 北京化工大学 | 一种经一步焙烧制备磁性微球形氧化铝的方法 |
CN100503786C (zh) * | 2006-06-02 | 2009-06-24 | 中国农业科学院油料作物研究所 | 采用纳米固体酸或碱催化制备生物柴油的方法 |
CN100427428C (zh) * | 2006-11-27 | 2008-10-22 | 北京化工大学 | 一种以类水滑石涂层热分解制备化学计量铁氧体薄膜的方法 |
CN101927193B (zh) * | 2009-12-18 | 2012-02-01 | 中国铝业股份有限公司 | 一种无团聚亚微米铁酸镍磁性载体的制备方法 |
CN101829585B (zh) * | 2010-04-16 | 2011-11-02 | 北京化工大学 | 一种磁性纳米碱金属氟化物负载型固体碱催化剂及其制备方法 |
CN101927165B (zh) * | 2010-07-13 | 2012-05-23 | 北京化工大学 | 一种强磁性核壳结构纳米铜基水滑石催化剂及其制备方法 |
CN102179250A (zh) * | 2011-03-18 | 2011-09-14 | 北京化工大学 | 一种磁性纳米固体碱催化剂及其催化合成假紫罗兰酮的方法 |
CN102580663A (zh) * | 2012-02-21 | 2012-07-18 | 上海大学 | 一种高磁性复合材料的制备方法及其应用 |
CN102847539B (zh) * | 2012-09-29 | 2014-08-06 | 上海东升新材料有限公司 | 混晶固体碱组合催化剂及制备方法 |
CN103073063B (zh) * | 2012-12-17 | 2014-11-12 | 沈阳化工大学 | 利用活性氧化镁为原料制备纳米铁酸镁的方法 |
CN109867589B (zh) * | 2017-12-01 | 2022-04-19 | 万华化学集团股份有限公司 | 一种丙二醇单烷基醚的制备方法 |
CN107890871B (zh) * | 2017-12-01 | 2020-04-28 | 东北石油大学 | 木质素磺酸盐催化解聚制取芳香基化合物的方法 |
CN108786830B (zh) * | 2018-06-29 | 2020-11-03 | 中国科学院海洋研究所 | 一种镍钒复合氧化物模拟酶材料及其制备方法和用途 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4889615A (en) * | 1988-12-06 | 1989-12-26 | Mobil Oil Corporation | Additive for vanadium capture in catalytic cracking |
CN1200959A (zh) * | 1998-04-10 | 1998-12-09 | 中国科学院感光化学研究所 | 可磁分离的光催化剂及其制法 |
CN1201714A (zh) * | 1997-06-06 | 1998-12-16 | 中国石油化工总公司 | 用于丙二醇醚合成的固体碱催化剂 |
WO1999046039A1 (fr) * | 1998-03-13 | 1999-09-16 | Den Norske Stats Oljeselskap A.S | Materiau support de catalyseur ameliore |
EP1005905A1 (fr) * | 1995-01-06 | 2000-06-07 | Elf Atochem S.A. | Aldolisation sélective de l'acétone en diacétone alcool par un catalyseur basique solide |
CN1315225A (zh) * | 2000-03-27 | 2001-10-03 | 北京化工大学 | 烷氧基化反应中镁铝复合金属氧化物催化剂及制备方法 |
-
2002
- 2002-07-23 CN CNB02125589XA patent/CN1180881C/zh not_active Expired - Fee Related
-
2003
- 2003-07-23 WO PCT/CN2003/000592 patent/WO2004009233A1/fr not_active Application Discontinuation
- 2003-07-23 AU AU2003255081A patent/AU2003255081A1/en not_active Abandoned
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4889615A (en) * | 1988-12-06 | 1989-12-26 | Mobil Oil Corporation | Additive for vanadium capture in catalytic cracking |
EP1005905A1 (fr) * | 1995-01-06 | 2000-06-07 | Elf Atochem S.A. | Aldolisation sélective de l'acétone en diacétone alcool par un catalyseur basique solide |
CN1201714A (zh) * | 1997-06-06 | 1998-12-16 | 中国石油化工总公司 | 用于丙二醇醚合成的固体碱催化剂 |
WO1999046039A1 (fr) * | 1998-03-13 | 1999-09-16 | Den Norske Stats Oljeselskap A.S | Materiau support de catalyseur ameliore |
CN1200959A (zh) * | 1998-04-10 | 1998-12-09 | 中国科学院感光化学研究所 | 可磁分离的光催化剂及其制法 |
CN1315225A (zh) * | 2000-03-27 | 2001-10-03 | 北京化工大学 | 烷氧基化反应中镁铝复合金属氧化物催化剂及制备方法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8114807B2 (en) | 2010-03-05 | 2012-02-14 | Cem Corporation | Synthesis and use of intermetallic iron palladium nanoparticle compositions |
CN103223345A (zh) * | 2013-05-17 | 2013-07-31 | 北京化工大学 | 一种负载型Ni-In金属间化合物催化剂及其制备方法 |
CN105032431A (zh) * | 2014-12-12 | 2015-11-11 | 北京恩泽福莱科技有限公司 | 一种磁性固体碱催化剂及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
AU2003255081A1 (en) | 2004-02-09 |
CN1470323A (zh) | 2004-01-28 |
CN1180881C (zh) | 2004-12-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2004009233A1 (fr) | Catalyseur a base solide nanometrique magnetique et son procede de preparation | |
JP5061102B2 (ja) | メソ構造化マトリクス中に捕捉された金属ナノ粒子を有する無機材料 | |
CN101624215B (zh) | 纳米氧化镍的制备方法 | |
JP2009521393A5 (fr) | ||
JP6106303B2 (ja) | 表面改質鉄系酸化物磁性粒子粉およびその製造方法 | |
US7247598B2 (en) | Nano-scale magnetic solid base catalyst and its preparation method | |
CN101274847A (zh) | 一种尖晶石铁氧体磁性中空微球及其制备方法 | |
CN101456539A (zh) | 制备纳米结晶水滑石化合物的方法 | |
CN102531015A (zh) | 一种多孔氧化铝超细粉体的制备方法 | |
CN105293567B (zh) | 片状多孔纳米氧化锌及其制备方法 | |
CN104528799A (zh) | 一种镁基稀土六铝酸盐超细粉体的制备方法 | |
CN110624529A (zh) | 一种氢氧根插层钙镁铝水滑石固体碱催化剂制备及使用方法 | |
CN106517360B (zh) | 一种粒子自组装四氧化三钴微米球形粉体及其制备方法 | |
CN101172628B (zh) | 纳米MgO/Mg(OH)2复合粉体的制备方法 | |
WO2007107054A1 (fr) | Procédé de préparation d'un film de ferrite à partir de composés anioniques laminés | |
CN102491416A (zh) | 一种Eu2Zr2O7纳米粉体的制备方法 | |
CN105967207B (zh) | 一种以水滑石为模板构建无基底连接二维普鲁士蓝类化合物纳米片的方法 | |
CN101580277B (zh) | 结晶态氧化锆异相包覆粉体和中空球及其制备方法 | |
CN108525668B (zh) | 海泡石纳米纤维负载钴铝复合氧化物的制备方法 | |
CN101475209B (zh) | 层状钙钛矿YBa2Cu3O7空心球状和多孔状微米粒子制备方法 | |
WO2006131032A1 (fr) | Procede de preparation de nanoparticules de spinelle avec une grande surface specifique par l'intermediaire de precurseurs lamellaires | |
Haq et al. | Preparation and characterization of uniformly coated particles by homogeneous precipitation (cobalt compounds on nickel compounds) | |
WO2005002724A1 (fr) | Hydrotalcite du type a radical nitrate dote de photochromisme et procede de preparation correspondant | |
US5626788A (en) | Production of magnetic oxide powder | |
CN115382521B (zh) | 一种埃洛石基类水滑石复合材料及其制备方法与应用 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 11040408 Country of ref document: US |
|
122 | Ep: pct application non-entry in european phase | ||
NENP | Non-entry into the national phase |
Ref country code: JP |
|
WWW | Wipo information: withdrawn in national office |
Country of ref document: JP |